336 CII, LABIATE (BAKER). [ Ocimum. 
Stems simple. . . . . . . 21. O. usaramense. 
Stems much branched. 
Racemes capitate . . . . . . 22. O. Descampsit. 
Racemes not capitate . . . . . 23. O. filamentosum. 
** HTEROCIMUM.— Filaments of the upper stamens with a tuft 
of hairs near the base. 
Annual . . . . . . . . . 24. O. gracile. 
Perennials. 
Flowers small. 
Leaves oblong-lanceolate . . . . . 25. O. Camporum. 
Leaves ovate-lanceolate . . . . . . 26. O. citriodorum. 
Leaves ovate. 
Stamens not exserted. 
Fruit-calyx jin. long. . . . . 27. O. Hanningtonii. 
Fruit-calyx 2 in. long. . . . . 28. O. Rothii. 
Stamens slightly exserted. 
Leaves very small. . . . . . 29. O. thymoides. 
Leaves not very small. . . . . 30. O. Hildebrandtii. 
Stamens much exserted. 
Raceme capitate. . . . . . 81. O. capitatum. 
Raceme lax. . . . . . . 82. O. Johnstonit. 
Flowers large. 
Raceme short, dense . . . . . . 33. O. punctatum. 
Raceme long, lax. 
Leaves oblong or oblong-lanceolate . . . 84. O. knyanum. 
Leaves ovate . . : . . . . 35. O. lamiifolium. 
**GyMNOCIMUM.— Filaments of the upper stamens without 
either a tooth or a tuft of hairs near the base. 
Annuals. 
Tube of fruit-calyx campanulate . . . . . 36. O. dichotomum. 
Tube of fruit-calyx oblong-cylindric . . . . 37. O. tereticaule. 
Perennials. 
Leaves linear. . . . . . . . 38. O. verticillifolium. 
Leaves lanceolate . . . . . . . 89. O. rigidum. 
Leaves ovate-oblong. 
Whorls few-flowered . . . . . . 40. O. staminosum. 
Whorls many-flowered . . . . . _ 41. O. Buchananii. 
Leaves ovate. 
Leaves slightly hairy . . . . . 42. O. laxiflorum. 
Leaves villous . . . . . . . 43. O. membranaceum. 
1. O. basilicum, Linn.; Benth. in DC. Prod. xii. 32. An erect 
annual, with much-branched glabrous or slightly pubescent stems 1-2 ft. 
long. Leaves distinctly petioled, ovate, membranous, 1-2 in. long, 
glabrous or slightly pubescent. Racemes moderately dense, the en 
one finally 6—9 in. long; rhachis slightly pubescent ; pedicels very short ; 
bracts ovate, about as long as the whorls. Calyx finally } in. long; 
upper lobe orbicular, much longer than the very short campanulate tube; 
lower lobes deltoid-mucronate, protruding beyond the upper. Corolla 
}-} in. long, white, or tinged more or less with purple. Stamens 
slightly exserted, the posticous filaments appendiculate with 4 tooth 
